v 4 i 1 s 1 c 3 o 1 s 1 i 1 t 1 y 4
9 letters · 17 points in Scrabble
Meaning
noun resistance of a liquid to shear forces (and hence to flow)
originFrom Middle French viscosité, from Old French viscosité, from Medieval Latin viscositas; analysable as viscous + -ity.
Etymology from Wiktionary, CC BY-SA 3.0